Cover image for Achievement of interoperability and security by use of encipherment at the physical layer of OSI in telecommunication systems conveying automatic data processing information
Title:
Achievement of interoperability and security by use of encipherment at the physical layer of OSI in telecommunication systems conveying automatic data processing information
General Note:
Identical to ISO 9160 : 1988

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30000001139140 PIA BS 7112 : 1991 Closed Access Book Standard
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